Series 1: annual reports and balance sheets, 1936-1974
Series 2: minutes, 1931-1966
Series 3: delegate meeting reports, 1936-1974
Series 4: rule books
Series 5: agreements and other papers
Series 6: branch records including Belfast branch, Birmingham branch, Blackpool branch, Bradford branch, Bristol branch, Cardiff branch, Castleton, Oldham and Rochdale branch, Grimsby and district, Hull branch, Leeds branch, London branch, Manchester branch, Merseyside branch, Sheffield branch, Watford branch, Yorkshire branch and Yorkshire Ridings group.